AMD Offers Full Details and Performance of Zen-Based Naples Server Platform

AMD Offers Full Details and Performance of Zen-Based Naples Server Platform – Slashdot

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MojoKid writes: AMD lifted the veil this morning on architecture details and performance expectations of its next generation Zen-based server platform, codenamed Naples. Naples is an up to 32-core, 64-thread variant of Zen, targeted at enterprise and data center applications. The processors will feature eight-channel DDR4 memory controllers (with up to 16 DIMMs attached per CPU), with support for up to 4TB of memory and 128 lanes of on-chip PCI Express connectivity. In a 2P (dual processor/dual socket) configuration, Naples offers up to 64 physical cores (128 threads), access to 32 DIMM slots, and aggregate 16 memory channels. Versus a 2P Intel Xeon E5-2699A V4 based server, the 2P Naples setup ends up with double the memory channels, a higher total memory capacity, more cores (20 more physical cores, 40 more threads), and 48 more available PCI Express lanes. AMD’s performance comparisons at its tech day event pit a 2P Naples server with 512GB of DDR4 RAM up against a 2P Intel Xeon E4-2699A V4 configuration with 384GB of RAM. The Naples system had a higher memory capacity and that memory was clocked much higher too — 2400MHz versus 1866MHz. The Naples system has more cores, and with SMT on, can ultimately process more threads as a result. The AMD Naples system also has double the memory channels, further improving peak memory bandwidth. In its demos, AMD used a seismic analysis workload, which involved multiple iterations of 3D wave equations. According to AMD, the test taxes the entire system, including CPU cores, memory and I/O. In this demo, the AMD server system completed equations roughly 2.5x faster than the dual-socket Intel Xeon server. Expected price points weren’t given, but Naples processors and servers should be available in Q2 this year.


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